You are going to have quite a few different passwords throughout your time at Illinois. Your primary university password can be changed here: UIUC Password Change. Some of your passwords will also have expiration dates attached to them, forcing you to change them periodically. You can look into either using a password manager like LastPass or 1Password or coming up with an easy to remember password system that is secure.

Once you have a secure password, an easy way to handle the password expirations is to incorporate the semester or year into the password.